A versatile, compact portable work station includes a computer, a printer, and other peripherals, including but not limited to a digital camera, an optical scanner, a cellular telephone, a modem, and the like, that are efficiently interconnected with one another and stored within a carrying case. A computer...http://www.google.de/patents/US5442512?utm_source=gb-gplus-sharePatent US5442512 - Modular portable computer work station selectively powered by either an internal battery, an internal battery charger, or an external DC input
